Quartiles of PDP | Case/Control | Model 1 | Model 2 | ||||
---|---|---|---|---|---|---|---|
OR | 95% CI | P-value | OR | 95% CI | P-value | ||
Q1 (≤ 32) | 25/26 | 1.00 | Ref. |  | 1.00 | Ref. |  |
Q2 (33–35) | 16/28 | 0.59 | 0.26–1.35 | 0.216 | 0.72 | 0.29–1.77 | 0.485 |
Q3 (36–39) | 18/51 | 0.36 | 0.17–0.79 | 0.011 | 0.41 | 0.18–0.94 | 0.035 |
Q4 (≥ 40) | 12/37 | 0.33 | 0.14–0.79 | 0.012 | 0.35 | 0.14–0.87 | 0.025 |
Ptrend | Â | 0.004 | 0.010 |